• Oxford (advanced learners) English dictionary
• Oxford advanced American dictionary
• Macmillan: English dictionary
• Chambers: English dictionary
• Collins: English dictionary
• Cambridge (advanced learner's dictionary)
• Longman: English dictionary
• Merriam-Webster (American) meaning , etymology, pronunciation (with audio) & thesaurus
• Visual dictionary by topics
• American Dictionary of the English Language by Noah Webster, 1828 edition
• The Century Dictionary (American, 1881) dictionary & encyclopedia: 500 000
meanings
• Etymonline: etymological dictionary
• Word info: etymology of English words derived from Latin and Greek words
• Roget's Thesaurus: synonyms & broaders
• Hyperdic: synonyms & broaders, meanings
• Visuwords: synonyms (graphical dictionary)
• Dictionary.com: American dictionaries: Random House, American Heritage...
• Wordnik: American dictionaries: American Heritage, Century... & etymology, examples
• Dictionary of synonyms & antonyms, Merriam-Webster (1984)
• Dictionary of prefixes, suffixes and combining forms, Merriam-Webster (2002)
• Dictionary of English pronunciation, with American variants, by Harold Palmer, James Victor Martin, Francis Blandford (1926)
• Phonetic dictionary of the English language : dictionnaire phonétique (noms
communs & noms propres) par Hermann Michaelis & Daniel Jones (1913)
• Encyclopædia Britannica, A Dictionary of Arts, Sciences, Literature and General Information
(1911)
-> Old English - Anglo-Norman - Middle English - 16-18th - 18-20th
• the word of the day (Merriam Webster)
• My first dictionary (humour)
• words & expressions of the human body [PDF]
• English words of Indian origin (Amerindian)
• The elements of style by William Strunk (1918)
• The King's English by Henry Fowler (1908)
• irregular verbs to search a verb (with audio)
• English grammar > table of contents
• Common errors in English usage
• English course: grammar, texts & sound (British
Council)
• Grammar practice (Elementary students) & Intermediate & Upper intermediate (2000)
• English grammar in use (2004)
• Grammar & punctuation (2009)
• Essential English grammar by Philipp Gucker
(1966)
• books about English language: Google books & Internet archive
-> Old English - Anglo-Norman - Middle English - 16-18th - 18-20th
-> American & Canadian, Australian, Irish English
-> Scots
-> library: online books